Finding the Third Proportional to 699,943,640.63 and 1,499,724,677.25

Step by Step Solution

1. Step 1: Write the proportion equation
   699,943,640.63 : 1,499,724,677.25 = 1,499,724,677.25 : x
2. Step 2: Convert to fraction form
   699,943,640.63/1,499,724,677.25 = 1,499,724,677.25/x
3. Step 3: Cross multiply
   699,943,640.63x = 1,499,724,677.25 × 1,499,724,677.25
4. Step 4: Simplify right side
   699,943,640.63x = 2,249,174,107,552,616,704
5. Step 5: Solve for x
   x = 2,249,174,107,552,616,704/699,943,640.63
6. Step 6: Final answer
   x = 3,213,364,586.82